[单选]

A data warehouse is a subject-oriented data set used for reporting and analusis. Data warehouses can be subdivided into ( ). Which store subsets of data from a warehouse.
 

在软件配置管理中，版本控制的目的是按照一定的规则保存配置项的（） 重要版本 。 基线版本 。 所有版本 。 需要得版本。 The most crucial time for project risk assessment is (). when a problem surfaces。 during the planning phase。 during the close-out phase。 after the project schedule has been published。 Stakeholder management refers to managing communications to satisfy needs of, and resolve issues with,project stakeholders. The ( ) is useful responsible for stakeholder management.   PMO。 CIO。 CCB。 PM。 在软件项目中，（）是确保需求不在开发过程中“丢失”的一个有效措施。 做好需求变更管理 。 做好需求确认 。 做好需求回溯 。 做好需求追溯。 在需求开发中，完成（）过程后将确定需求基线 需求获取 。 需求分析 。 需求定义 。 需求验证。

A data warehouse is a subject-oriented data set used for reporting and analusis. Data warehouses can be subdivided into ( ). Which store subsets of data from a warehouse.